package org.study.config;

import java.lang.reflect.Method;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.core.RedisTemplate;

/**
 * @author 627266
 * @version 2017年1月18日 下午5:52:18
 * @comment
 */
@Configuration
@EnableCaching
public class CachingConfig extends CachingConfigurerSupport {

	@Bean
	public KeyGenerator wiselyKeyGenerator() {
		return new KeyGenerator() {
			@Override
			public Object generate(Object target, Method method, Object... params) {
				StringBuilder sb = new StringBuilder();
				sb.append(target.getClass().getName());
				sb.append(method.getName());
				for (Object obj : params) {
					sb.append(obj.toString());
				}
				return sb.toString();
			}
		};
	}

//	@Bean
//	public KeyGenerator customKeyGenerator() {
//		return (o, method, objects) -> {
//			StringBuilder sb = new StringBuilder();
//			sb.append(o.getClass().getName());
//			sb.append(method.getName());
//			for (Object obj : objects) {
//				sb.append(obj.toString());
//			}
//			return sb.toString();
//		};
//	}

	/**
	 * 声明缓存管理器
	 * 
	 * @param redisTemplate
	 * @return
	 */
	@Bean
	public CacheManager cacheManager(RedisTemplate<String, Object> redisTemplate) {
		RedisCacheManager rcm = new RedisCacheManager(redisTemplate);
		rcm.setDefaultExpiration(3000);//seconds
		return rcm;
	}

	// @Bean
	// public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory
	// factory) {
	// StringRedisTemplate template = new StringRedisTemplate(factory);
	// Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new
	// Jackson2JsonRedisSerializer(Object.class);
	// ObjectMapper om = new ObjectMapper();
	// om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
	// om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
	// jackson2JsonRedisSerializer.setObjectMapper(om);
	// template.setValueSerializer(jackson2JsonRedisSerializer);
	// template.afterPropertiesSet();
	// return template;
	// }
}